.about-left-list ul li{
    text-align: center;
    width: 200px;
    height: 40px;
    line-height: 40px;
    border-bottom: 1px solid #e5e5e5;
    color: #4A4A4A;
}
.all-active,.about-left-list ul li:hover{
    background-color: #08619F;
    color: #fff !important;
}
.about{
    justify-content: space-between;
    padding: 10px;
}
footer{
    position: fixed;
    bottom: 0;
}
.about-right-content{
    width: 730px;
    
}